pojo session beans were introduced in ejb 3.0, so are you sure its 2.0 you are doing?

either way always use jndi lookups, or ejb injection in 3.0+, as by instantiating directly the session beans you will bypass a lot of processing the container will do on your beans (pooling, transaction, injection, etc.)

TechTarget provides technology professionals with the information they need to perform their jobs - from developing strategy, to making cost-effective purchase decisions and managing their organizations technology projects - with its network of technology-specific websites, events and online magazines.